设备级固态袋和硬币电池超级电容器双组装使用消耗的电池废物以实现最佳利用
T Kedara Shivasharma1, Rajulal Sahu1, Mayur Thosare1
1Nano Materials and Device Laboratory, Department of Physics, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur, 440 010, M.S, India.
Scientific reports
|August 5, 2025
概括
将废旧电池废弃物回收成固态超级电容器,为电子垃圾提供了一个可持续的解决方案. 这项研究开发了由氧化-碳-氧化复合物的原型袋和硬币细胞,展示了实际的储能应用.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 环境科学 环境科学
背景情况:
- 电子废物 (电子废物) 由于技术的快速进步和旧设备的处置,造成了重大的环境挑战.
- 迫切需要可持续和绿色的方法来将电子废物材料重新用于有价值的技术.
- 使用过的干电池电池是潜在的可重复使用材料的重要来源.
研究的目的:
- 为了利用从使用的干电池电池中提取的氧化-碳-氧化 (MCZ) 复合物作为电子废物.
- 设计和开发原型设备级固态超级电容器 (袋子和硬币电池).
- 评估开发的超级电容器的电化学性能和实际适用性.
主要方法:
- 从使用的干电池电池中提取和表征Mn2O3-C-ZnO2 (MCZ) 复合物.
- 将提取的材料涂在不钢上进行电化学测试,采用三电极配置.
- 使用PVA-NaClO4凝电解质制造对称的固态超级电容器,以袋子和硬币电池形式.
- 性能评估包括特定电容,潜在窗口和能量/功率密度.
主要成果:
- 成功提取并表征了MCZ复合材料.
- 制造了原型固态超级电容器 (袋子和硬币电池).
- 袋式电池在5mVs-1时达到49.69Fg-1的特定电容,而硬币电池在25mVs-1时达到7.93Fg-1.
- 这些设备具有2V的潜在窗口,并通过为小型风扇和LED面板 (TRL-3) 提供电源来证明其实际适用性.
结论:
- 使用的干电池电池废物可以有效地回收成功能性的固态超级电容器.
- 开发的无液体袋和硬币电池超级电容器为电子废物管理提供了可持续和经济的方法.
- 这项研究突出了将废物转化为具有实际应用的储能设备的潜力.
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